42537538 has 16 divisors (see below), whose sum is σ = 66067200. Its totient is φ = 20527776.

The previous prime is 42537503. The next prime is 42537581. The reversal of 42537538 is 83573524.

It is a junction number, because it is equal to n+sod(n) for n = 42537497 and 42537506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763 + ... + 9961.

It is an arithmetic number, because the mean of its divisors is an integer number (4129200).

Almost surely, 2^42537538 is an apocalyptic number.

42537538 is a deficient number, since it is larger than the sum of its proper divisors (23529662).

42537538 is a wasteful number, since it uses less digits than its factorization.

42537538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321.

The product of its digits is 100800, while the sum is 37.

The square root of 42537538 is about 6522.0808029340. The cubic root of 42537538 is about 349.0793162967.

The spelling of 42537538 in words is "forty-two million, five hundred thirty-seven thousand, five hundred thirty-eight".